ASL INTERCOM VAR8-ACU Series, Руководство по установке

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VAR8-ACU and Variants - Installation Guide
Audio Inputs 3 to 8
Signal Description
DXP Microphone Data+ (EIA RS485 19200 baud)
DXN
Microphone Data
−
(EIA RS485 19200 baud)
0V 0 V supply
IN+
Balanced audio input +VE
Level: 0 dBu
Max. Sensitivity:
−
20 dBu Input Impedance: 10 k
Ω
IN
−
As above but
−
VE connection
V+ +V supply (18-36 V)
V+NB Unused
L
Cabling connector: 7 way terminal block (METWAY 120A11107)
Music Input
Signal Description
GND Ground
IN+
Unbalanced audio input. Suitable for 1 V to 2 V RMS sources.
Impedance: 5 k
Ω
L
Cabling connector: 2 way terminal block (METWAY 120A11102)
Standard Audio Outputs
RJ45 connectors ‘OUT’ are not used by VAR8-ACU.
Enhanced A/B Audio Outputs
Terminal blocks ‘A OUTPUTS 1-4’, ‘A OUTPUTS 5-8’, ‘B OUTPUTS 1-4’, and ‘B OUTPUTS 5-8’ on EXP8
Interface Expansion Board are not used by VAR8-ACU.
Control Contacts – Digital Inputs
Signal Description
C'n'+
Opto-isolated input +VE connection
Cn'
−
As above but –VE connection
Built-in resistor to suit voltages of +12 to +40 V
L
Contacts 1 to 10 may have EOL resistors internally fitted.
L
Cabling connector: 10 way terminal block (METWAY 120A11110)
RS485 Serial Port
Signal Description
GND 0 V Reference
DXN Data+ (EIA RS485 9600 baud)
DXP Data– (EIA RS485 9600 baud)
L
Cabling connector: 3 way terminal block (METWAY 120A11103)
Issue: 02 complete, approved
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